Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hello,
Is there some exemple about how to secure a NUS connection between two nRF5x (one NUS, one NUS_C) ? Dans it use a preshared passkey ? Is that secured (man in the...
Hello,
I am migrating a working application from SDK13 / nrF52832 => SDK14 / nRF52840 and during build, i get undefined reference for sqrt, sin and cos functions.
I...
hi
I mistakenly left the inductor connected between the dcc pin and the DEC 4 pin and let it operate in the LDO mode.
What kind of problem will you encounter?
Or maybe...
hi all, I want to learn about HCI layer . It has 4 packet and I dont understand about HCI ACL data packet and HCI synchronous data packet . how are they diffent? Packet from...
-Dear Nordic Devteam
Thanks for your endeavor for the nRF Sniffer 2 . Although it is a beta version, this is sincerely anticipating.
To set up the Sniffer you will...
I am developing some firmware using SDK 8.1 where power consumption is absolutely critical. The firmware will make a ble connection between the central and peripheral device...
I'm facing a strange problem that I don't really understand:
I'm using 51822 (s130) on a custom board to communicate with iPhone 5S. The parameter that is able to establish...
In multi-link central app, after BLE_GAP_EVT_CONNECTED event, BLE_LBS_C_EVT_DISCOVERY_COMPLETE is called NRF_SDH_BLE_CENTRAL_LINK_COUNT number of times.
So For example...
Hi,
I use the original "nRF5_SDK_14.2\examples\ble_peripheral\ble_app_uart" no any modification, in Keil the .hex file size is 71k while it is 153k in SES.
My questions...
I am working on SDK V10.0.0 because I need S310 softdevice.
I like SEGGER_RTT I used in SDK V11 and V12.
But I got the Error in the subject line.
I had to uncheck use_microlib...
Hi,
I build below sample in SES and receive an error for:
Compiling ‘nrf_log_backend_serial.c’
can't open '...nRF5_SDK_14.2.0_17b948a/examples/ble_central_and_peripheral...
Hi!
There are many questions about flash memory already.
But I could not find the question I wanted.
I want to save scan data to flash memory.
However, when you...
As a peripheral,S130 can work ok,but when I add a central role, there is a error at central start to connect a peripheral. err_code = sd_ble_gap_connect(&addr,&m_scan_param...
When a peripheral advertises on one of the three advertising channels, does it listen for a short duration on that channel (as implemented by the Softdevice?) And then repeat...